[424210] Simplify Git repositories

Merge git://git.eclipse.org/gitroot/jsdt/webtools.jsdt.core
tree: 9661125848d024035af9b2fe06b4fece9d185f0d
  1. .gitignore
  2. bundles/
  3. development/
  4. docs/
  5. features/
  6. pom.xml